CN107955323A - A kind of friction material and preparation method thereof - Google Patents

A kind of friction material and preparation method thereof Download PDF

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Publication number
CN107955323A
CN107955323A CN201711200836.6A CN201711200836A CN107955323A CN 107955323 A CN107955323 A CN 107955323A CN 201711200836 A CN201711200836 A CN 201711200836A CN 107955323 A CN107955323 A CN 107955323A
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parts
copper powder
powder
friction material
baking oven
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庞婉青
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Wuxi Sheng Ya Biological Science And Technology Co Ltd Foshan Branch
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Wuxi Sheng Ya Biological Science And Technology Co Ltd Foshan Branch
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/085—Copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Braking Arrangements (AREA)

Abstract

The present invention provides a kind of friction material and preparation method thereof.Preparation method is as follows：Step 1：Mica powder and zircon are mixed, are put into ball milling in ball mill；Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling in ball mill；Step 3：With distilled water flushing it is clean after be put into dried in baking oven after cold moudling in embedded type mould；Step 4：It is put into sintering furnace and is sintered；Step 5：All components are poured into mix in batch mixer and are disperseed；Step 6：It is fitted into mould, is put into baking oven 20 30min at 175 180 DEG C；Step 7：Take out, when curing 24 is small at room temperature；Step 8：The demoulding, is put into baking oven and cures to obtain the final product.The object of the present invention is to provide a kind of friction material, has good rub resistance and the damping performance of brilliance, while excellent in mechanical performance.

Description

A kind of friction material and preparation method thereof
Technical field
The present invention relates to mechanical material field, and in particular to a kind of friction material and preparation method thereof.
Background technology
Friction material is that one kind is applied on dynamic power machine, and the component of braking and transmission agency is performed by rubbing action Material, is a kind of macromolecule trielement composite material, is physics and chemical complex, it is by high polymer binder, reinforcing fiber Formed with frictional property regulator three major types composition and other compounding agents, a series of manufactured product through production and processings.Friction The characteristics of material is that have good friction coefficient and abrasion resistance properties, while has certain heat resistance and mechanical strength, energy Meet the performance requirement of the transmission and braking of vehicle or machinery.They are widely used in automobile, train, aircraft, oil-well rig Etc. on all kinds of engineering mechanical devices, the transmission or braking deceleration of civil goods such as bicycle, washing machine etc. as power are with indispensable Few material.
Therefore, development of the every comprehensive performance of friction material for every profession and trade is constantly improved to have great importance.
The content of the invention
Technical problems to be solved：The object of the present invention is to provide a kind of friction material, have good rub resistance and Remarkable damping performance, while excellent in mechanical performance.
Technical solution：A kind of friction material, is prepared by following component：40-60 parts of phenolic resin, polyformaldehyde 10-20 Part, 20-30 parts of spherical ultrafine copper powder, 10-20 parts of electrolytic copper powder, 10-20 parts of silver-coated copper powder, 10-20 parts of iron-based copper powder, titanium valve 1- 2 parts, 10-15 parts of wood powder, 2-5 parts of polytetrafluoroethylene (PTFE), 2-5 parts of Tissuemat E, 1-2 parts of polymethyl acrylate, molybdenum disulfide 15-25 Part, 3-6 parts of alundum (Al2O3), 2-4 parts of mica powder, 2-4 parts of glyceryl tristearate, 5-10 parts of zircon, polyvinyl alcohol 5-8 Part, 2-5 parts of glycerine.
It is further preferred that a kind of friction material, is prepared by following component：50 parts of phenolic resin, polyformaldehyde 15 Part, 25 parts of spherical ultrafine copper powder, 15 parts of electrolytic copper powder, 15 parts of silver-coated copper powder, 15 parts of iron-based copper powder, 1.5 parts of titanium valve, wood powder 13 Part, 4 parts of polytetrafluoroethylene (PTFE), 3.5 parts of Tissuemat E, 1.5 parts of polymethyl acrylate, 20 parts of molybdenum disulfide, alundum (Al2O3) 4.5 Part, 3 parts of mica powder, 3 parts of glyceryl tristearate, 7.5 parts of zircon, 6.5 parts of polyvinyl alcohol, 4 parts of glycerine.
It is further preferred that the wood powder particle diameter is 50-100 μm.
The preparation method of above-mentioned friction material comprises the following steps：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 200-250r/min, ratio of grinding media to material 1:1 time ball When mill 20-22 is small；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 300-350r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1-2 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, under pressure 600-700MPa into Row cold moudling, dwell time are 1-2 minutes；
Step 4：It is put into sintering furnace and is sintered, temperature is 1000-1100 DEG C, and soaking time is 40-50 minutes；
Step 5：All components are poured into batch mixer, when the scattered 1-2 of mixing is small under rotating speed 100-150rpm；
Step 6：It is fitted into mould, is put into baking oven 20-30min at 175-180 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 1-2 days at 80-90 DEG C of temperature to obtain the final product.
It is further preferred that rotating speed is 230r/min in step 1, when Ball-milling Time is 21 small.
It is further preferred that temperature is 1050 DEG C in step 4, soaking time is 45 minutes.
Beneficial effect：The friction material of the present invention has good rub resistance, its friction coefficient reaches as high as 0.63, and friction is steady Qualitative height, damping ratio have reached 0.34, have remarkable damping performance, while its compression strength and impact flexibility respectively reach 907.9MPa and 80.1J/cm2, excellent in mechanical performance.
Embodiment
Embodiment 1
A kind of friction material, is prepared by following component：40 parts of phenolic resin, 10 parts of polyformaldehyde, 20 parts of spherical ultrafine copper powder, 10 parts of electrolytic copper powder, 10 parts of silver-coated copper powder, 10 parts of iron-based copper powder, 1 part of titanium valve, 10 parts of wood powder, 2 parts of polytetrafluoroethylene (PTFE), polyethylene 2 parts of wax, 1 part of polymethyl acrylate, 15 parts of molybdenum disulfide, 3 parts of alundum (Al2O3), 2 parts of mica powder, 2 parts of glyceryl tristearate, 5 parts of zircon, 5 parts of polyvinyl alcohol, 2 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 200r/min, ratio of grinding media to material 1:1 time ball milling 20 Hour；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 300r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 600MPa cold Molded, the dwell time is 1 minute；
Step 4：It is put into sintering furnace and is sintered, temperature is 1000 DEG C, and soaking time is 40 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 1 is small under rotating speed 100rpm；
Step 6：It is fitted into mould, is put into baking oven 20min at 175 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 1 day at 80 DEG C of temperature to obtain the final product.
Embodiment 2
A kind of friction material, is prepared by following component：45 parts of phenolic resin, 15 parts of polyformaldehyde, 25 parts of spherical ultrafine copper powder, 15 parts of electrolytic copper powder, 15 parts of silver-coated copper powder, 15 parts of iron-based copper powder, 1.5 parts of titanium valve, 12 parts of wood powder, 3 parts of polytetrafluoroethylene (PTFE), poly- second 3 parts of alkene wax, 1.5 parts of polymethyl acrylate, 17 parts of molybdenum disulfide, 4 parts of alundum (Al2O3), 2.5 parts of mica powder, three glycerol stearates 2.5 parts of ester, 6 parts of zircon, 6 parts of polyvinyl alcohol, 3 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 210r/min, ratio of grinding media to material 1:1 time ball milling 21 Hour；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 320r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1.5 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 650MPa cold Molded, the dwell time is 2 minutes；
Step 4：It is put into sintering furnace and is sintered, temperature is 1050 DEG C, and soaking time is 45 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 2 is small under rotating speed 120rpm；
Step 6：It is fitted into mould, is put into baking oven 25min at 175 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 2 days at 85 DEG C of temperature to obtain the final product.
Embodiment 3
A kind of friction material, is prepared by following component：50 parts of phenolic resin, 15 parts of polyformaldehyde, 25 parts of spherical ultrafine copper powder, 15 parts of electrolytic copper powder, 15 parts of silver-coated copper powder, 15 parts of iron-based copper powder, 1.5 parts of titanium valve, 13 parts of wood powder, 4 parts of polytetrafluoroethylene (PTFE), poly- second 3.5 parts of alkene wax, 1.5 parts of polymethyl acrylate, 20 parts of molybdenum disulfide, 4.5 parts of alundum (Al2O3), 3 parts of mica powder, three stearic acid are sweet 3 parts of grease, 7.5 parts of zircon, 6.5 parts of polyvinyl alcohol, 4 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 230r/min, ratio of grinding media to material 1:1 time ball milling 21 Hour；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 330r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1.5 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 650MPa cold Molded, the dwell time is 1.5 minutes；
Step 4：It is put into sintering furnace and is sintered, temperature is 1050 DEG C, and soaking time is 45 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 1.5 is small under rotating speed 130rpm；
Step 6：It is fitted into mould, is put into baking oven 25min at 180 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 2 days at 85 DEG C of temperature to obtain the final product.
Embodiment 4
A kind of friction material, is prepared by following component：60 parts of phenolic resin, 20 parts of polyformaldehyde, 30 parts of spherical ultrafine copper powder, 20 parts of electrolytic copper powder, 20 parts of silver-coated copper powder, 20 parts of iron-based copper powder, 2 parts of titanium valve, 15 parts of wood powder, 5 parts of polytetrafluoroethylene (PTFE), polyethylene 5 parts of wax, 2 parts of polymethyl acrylate, 25 parts of molybdenum disulfide, 6 parts of alundum (Al2O3), 4 parts of mica powder, 4 parts of glyceryl tristearate, 10 parts of zircon, 8 parts of polyvinyl alcohol, 5 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 250r/min, ratio of grinding media to material 1:1 time ball milling 22 Hour；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 350r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 2 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 700MPa cold Molded, the dwell time is 2 minutes；
Step 4：It is put into sintering furnace and is sintered, temperature is 1100 DEG C, and soaking time is 50 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 2 is small under rotating speed 150rpm；
Step 6：It is fitted into mould, is put into baking oven 30min at 180 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 2 days at 90 DEG C of temperature to obtain the final product.
Comparative example 1
Difference lies in replace electrolytic copper powder and silver-coated copper powder with spherical ultrafine copper powder with embodiment 1 for the present embodiment.Specifically It is：
A kind of friction material, is prepared by following component：40 parts of phenolic resin, 10 parts of polyformaldehyde, 40 parts of spherical ultrafine copper powder, 10 parts of iron-based copper powder, 1 part of titanium valve, 10 parts of wood powder, 2 parts of polytetrafluoroethylene (PTFE), 2 parts of Tissuemat E, 1 part of polymethyl acrylate, two sulphur Change 15 parts of molybdenum, 3 parts of alundum (Al2O3), 2 parts of mica powder, 2 parts of glyceryl tristearate, 5 parts of zircon, 5 parts of polyvinyl alcohol, the third three 2 parts of alcohol.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 200r/min, ratio of grinding media to material 1:1 time ball milling 20 Hour；
Step 2：Spherical ultrafine copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball mill in rotating speed 300r/ Min, ratio of grinding media to material 1:When 1 time ball milling 1 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 600MPa cold Molded, the dwell time is 1 minute；
Step 4：It is put into sintering furnace and is sintered, temperature is 1000 DEG C, and soaking time is 40 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 1 is small under rotating speed 100rpm；
Step 6：It is fitted into mould, is put into baking oven 20min at 175 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 1 day at 80 DEG C of temperature to obtain the final product.
Comparative example 2
Difference lies in replace polyformaldehyde with phenolic resin with embodiment 5 for the present embodiment.Specifically：
A kind of friction material, is prepared by following component：50 parts of phenolic resin, 20 parts of spherical ultrafine copper powder, electrolytic copper powder 10 Part, 10 parts of silver-coated copper powder, 10 parts of iron-based copper powder, 1 part of titanium valve, 10 parts of wood powder, 2 parts of polytetrafluoroethylene (PTFE), 2 parts of Tissuemat E, poly- third 1 part of e pioic acid methyl ester, 15 parts of molybdenum disulfide, 3 parts of alundum (Al2O3), 2 parts of mica powder, 2 parts of glyceryl tristearate, 5 parts of zircon, 5 parts of polyvinyl alcohol, 2 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 200r/min, ratio of grinding media to material 1:1 time ball milling 20 Hour；
Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 300r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1 is small；
Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 600MPa cold Molded, the dwell time is 1 minute；
Step 4：It is put into sintering furnace and is sintered, temperature is 1000 DEG C, and soaking time is 40 minutes；
Step 5：All components are poured into batch mixer, when mixing scattered 1 is small under rotating speed 100rpm；
Step 6：It is fitted into mould, is put into baking oven 20min at 175 DEG C；
Step 7：Take out, when curing 24 is small at room temperature；
Step 8：The demoulding, is put into baking oven, cures 1 day at 80 DEG C of temperature to obtain the final product.
Comparative example 3
Difference lies in do not contain mica powder and zircon with embodiment 1 for the present embodiment.Specifically：
A kind of friction material, is prepared by following component：40 parts of phenolic resin, 10 parts of polyformaldehyde, 20 parts of spherical ultrafine copper powder, 10 parts of electrolytic copper powder, 10 parts of silver-coated copper powder, 10 parts of iron-based copper powder, 1 part of titanium valve, 10 parts of wood powder, 2 parts of polytetrafluoroethylene (PTFE), polyethylene 2 parts of wax, 1 part of polymethyl acrylate, 15 parts of molybdenum disulfide, 3 parts of alundum (Al2O3), 2 parts of glyceryl tristearate, polyvinyl alcohol 5 Part, 2 parts of glycerine.
The preparation method of above-mentioned friction material is：
Step 1：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 300r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1 is small；
Step 2：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, carried out under pressure 600MPa cold Molded, the dwell time is 1 minute；
Step 3：It is put into sintering furnace and is sintered, temperature is 1000 DEG C, and soaking time is 40 minutes；
Step 4：All components are poured into batch mixer, when mixing scattered 1 is small under rotating speed 100rpm；
Step 5：It is fitted into mould, is put into baking oven 20min at 175 DEG C；
Step 6：Take out, when curing 24 is small at room temperature；
Step 7：The demoulding, is put into baking oven, cures 1 day at 80 DEG C of temperature to obtain the final product.
Following table is the partial properties index of material of the present invention, it will be seen that material of the present invention has good rub resistance, Its friction coefficient reaches as high as 0.63, and friction stability is high, and damping ratio has reached 0.34, has remarkable damping performance, at the same time Its compression strength and impact flexibility have respectively reached 907.9MPa and 80.1J/cm2, excellent in mechanical performance.
The partial properties index of 1 friction material of table

Claims (6)

  1. A kind of 1. friction material, it is characterised in that：It is prepared by following component：40-60 parts of phenolic resin, polyformaldehyde 10-20 Part, 20-30 parts of spherical ultrafine copper powder, 10-20 parts of electrolytic copper powder, 10-20 parts of silver-coated copper powder, 10-20 parts of iron-based copper powder, titanium valve 1- 2 parts, 10-15 parts of wood powder, 2-5 parts of polytetrafluoroethylene (PTFE), 2-5 parts of Tissuemat E, 1-2 parts of polymethyl acrylate, molybdenum disulfide 15-25 Part, 3-6 parts of alundum (Al2O3), 2-4 parts of mica powder, 2-4 parts of glyceryl tristearate, 5-10 parts of zircon, polyvinyl alcohol 5-8 Part, 2-5 parts of glycerine.
  2. A kind of 2. friction material according to claim 1, it is characterised in that：It is prepared by following component with parts by weight： 50 parts of phenolic resin, 15 parts of polyformaldehyde, 25 parts of spherical ultrafine copper powder, 15 parts of electrolytic copper powder, 15 parts of silver-coated copper powder, iron-based copper powder 15 Part, 1.5 parts of titanium valve, 13 parts of wood powder, 4 parts of polytetrafluoroethylene (PTFE), 3.5 parts of Tissuemat E, 1.5 parts of polymethyl acrylate, molybdenum disulfide 20 parts, 4.5 parts of alundum (Al2O3), 3 parts of mica powder, 3 parts of glyceryl tristearate, 7.5 parts of zircon, 6.5 parts of polyvinyl alcohol, third 4 parts of triol.
  3. A kind of 3. friction material as claimed in claim 1, it is characterised in that：The wood powder particle diameter is 50-100 μm.
  4. A kind of 4. preparation method of friction material of claims 1 to 3 any one of them, it is characterised in that：Comprise the following steps：
    40-60 parts of phenolic resin, 10-20 parts of polyformaldehyde, 10-15 parts of wood powder, 2-5 parts of polytetrafluoroethylene (PTFE), 2-5 parts of Tissuemat E, 1-2 parts of polymethyl acrylate, 15-25 parts of molybdenum disulfide, 3-6 parts of alundum (Al2O3), 2-4 parts of glyceryl tristearate, polyethylene 5-8 parts of alcohol；
    Step 1：Mica powder and zircon are mixed, are put into ball mill in rotating speed 200-250r/min, ratio of grinding media to material 1:1 time ball When mill 20-22 is small；
    Step 2：Spherical ultrafine copper powder, electrolytic copper powder, silver-coated copper powder, iron-based copper powder, titanium valve and glycerine are mixed, are put into ball milling In rotating speed 300-350r/min, ratio of grinding media to material 1 in machine:When 1 time ball milling 1-2 is small；
    Step 3：With distilled water flushing it is clean after be put into dried in baking oven after in embedded type mould, under pressure 600-700MPa into Row cold moudling, dwell time are 1-2 minutes；
    Step 4：It is put into sintering furnace and is sintered, temperature is 1000-1100 DEG C, and soaking time is 40-50 minutes；
    Step 5：All components are poured into batch mixer, when the scattered 1-2 of mixing is small under rotating speed 100-150rpm；
    Step 6：It is fitted into mould, is put into baking oven 20-30min at 175-180 DEG C；
    Step 7：Take out, when curing 24 is small at room temperature；
    Step 8：The demoulding, is put into baking oven, cures 1-2 days at 80-90 DEG C of temperature to obtain the final product.
  5. A kind of 5. preparation method of friction material according to claim 4, it is characterised in that：Rotating speed is in the step 1 230r/min, when Ball-milling Time is 21 small.
  6. A kind of 6. preparation method of friction material according to claim 4, it is characterised in that：Temperature is in the step 4 1050 DEG C, soaking time is 45 minutes.
CN201711200836.6A 2017-11-24 2017-11-24 A kind of friction material and preparation method thereof Pending CN107955323A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111234902A (en) * 2020-03-20 2020-06-05 中国科学院兰州化学物理研究所 Sheet-shaped silver-coated copper filled polyimide composite lubricating material
CN111234352A (en) * 2020-03-12 2020-06-05 中国科学院兰州化学物理研究所 Wear-resistant ultrahigh molecular weight polyethylene composite material filled with flaky silver-coated copper

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Publication number Priority date Publication date Assignee Title
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CN1760229A (en) * 2004-10-12 2006-04-19 李青山 Preparing heat-resistant phenolic resins
CN105602524A (en) * 2016-03-22 2016-05-25 苏州捷德瑞精密机械有限公司 Novel metal friction composite material and preparation method thereof
CN107299300A (en) * 2017-08-17 2017-10-27 苏州曼里尼斯金属科技有限公司 A kind of heavy load low abrasion copper base friction material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
US4748193A (en) * 1986-09-29 1988-05-31 Allied Corporation Friction material
CN1760229A (en) * 2004-10-12 2006-04-19 李青山 Preparing heat-resistant phenolic resins
CN105602524A (en) * 2016-03-22 2016-05-25 苏州捷德瑞精密机械有限公司 Novel metal friction composite material and preparation method thereof
CN107299300A (en) * 2017-08-17 2017-10-27 苏州曼里尼斯金属科技有限公司 A kind of heavy load low abrasion copper base friction material and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111234352A (en) * 2020-03-12 2020-06-05 中国科学院兰州化学物理研究所 Wear-resistant ultrahigh molecular weight polyethylene composite material filled with flaky silver-coated copper
CN111234902A (en) * 2020-03-20 2020-06-05 中国科学院兰州化学物理研究所 Sheet-shaped silver-coated copper filled polyimide composite lubricating material

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